A falling share price can make a stock look tempting. But a lower price alone does not explain whether the underlying business has become more attractive. The first question is what changed, and whether that change is temporary or structural.
The next question is timing. A company can remain misunderstood longer than a trader can justify holding it. A useful thesis needs a catalyst: something observable that could change expectations, such as an improvement in margins, a more credible outlook, or evidence that demand is stabilizing.
Momentum belongs in that discussion. Improving price action can support a thesis, but it does not prove that the valuation is right. Fundamentals, expectations and market behavior should be examined together.
Before taking a position, write down the evidence that would invalidate the idea. A thesis that cannot be disproved is difficult to manage. The aim is to find a favorable opportunity with a clear way to recognize when the original reasoning no longer holds.